<template>
  <demoBlock title="1px 边框" padding class="demo-hairline">
    <div class="vcu-hairline--top" />
  </demoBlock>
</template>
<style lang="less" >
.demo-hairline {
  .vcu-hairline--top {
    height: 30px;
    background-color: white;

    &::after {
      top: 5px;
    }
  }
}
</style>
